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Olympus 9-18mm f/4-5.6

Designed exclusively for Micro 4/3 mount cameras, the micro 9-18mm is less than half the size and weight of the standard 4/3 mount lens of the same name. It has two aspherical elements and is inner focusing, making it sharp and easy to use with quick autofocusing.

Tim Ashbrand

Technical Support Manager

There are a few different options for wide angle lenses with the micro 4/3 cameras, so I thought I’d write up a quick comparison.

- Micro 4/3 Panasonic 8mm Fisheye The 8mm gives m4/3 shooters the option to get the “fisheye” look in a native m4/3 mount. You’re not sacrificing image quality with this baby lens either; it’s just as sharp as the other great Panasonic pancakes. It’s probably not something that would live on the front of your camera, but it’s great to use for those shots where a distorted image is desired.
- Micro 4/3 – Panasonic 7-14mm f/4 The 7-14 is a wonderful f4 wide angle option for the m4/3 cameras. You get f4 all the way through the zoom, which is great if you’re shooting when there is not a plethora of light. Distortion is mostly limited even at the widest end, and autofocus is definitely fast enough to for most uses. Also, don’t forget the built-in hood that makes shooting outdoors in the sunlight a bit easier.
- Micro 4/3 – Olympus 9-18mm f/4-5.6 The 9-18 is going to give you another great option for m4/3 shooters. It is essentially Olympus’ take on the wide angle, so quality is there just like the Pany 7-14. What it adds is a front filter ring and slightly faster autofocus. However, what you lose is the 7mm wide end, a hood and a fixed f4 throughout the zoom range. If light is not a problem, then the aperture isn’t a big deal. Distortion is also mostly corrected for with this lens.

Filter Size

52mm

Aperture

f/4-22

Length

1.9”

Diameter

2.22”

Weight

0.4 lb.

Hood

None

Minimum Focusing Distance

0.75 feet

Maximum Magnification

.10x

Angle of view: (4/3 frame)

100 to 62 degrees

Zoom method

Barrel extending, nonrotating

Image Stabilization

None

Focusing System

Internal, full-time manual override

Aperture Blades

7 curved

Aperture Change

f/4 < 11mm; f/4.5 @ 13mm; f/5 @ 15mm; f5.6 @ 18mm

Groups/Elements

8/12

Low Dispersion Elements

4

Aspherical Elements

3

Weather Resistant

No

Flare Resistance

Minimal ghosting, minimal loss of contrast

System

Micro Four Thirds

Autofocus

Yes

Links

Diagrams

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